users =[f"user_{i:03d}" for i in range (100)]
passwords = [f" password_(i)" if 1%3!=0 else " invalid " for i in range (100)]
test_cases =[{"user": u ,"pass": p } for u , p in zip (users,passwords)]
for case in test_cases:
    expected="PASS" if "invalid" not in case["pass"] else "FAIL"

actual ="PASS" if case ["pass"]==" password_1" else "FAIL"
print (f"用户：(case['user'])，预期：{expected}，实际：{actual}")